.rotation{
    /* width: 1200px; */
    height: 550px;
    position: relative;
}
.list{
    width: 100%;
    height: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;      
}
.item  .imgindex{
    width: 100%;
    height: 100%;
    /* display: inline-block; */
    margin: 0;
    position: absolute;
    opacity: 0;
    transition: all 1s;
}
.btn{
    outline: none;
    width: 56px;
    font-size: 28px;
    height: 56px;
    color: white;
    border: none;
    border-radius: 28px;
    background-color: #86838356;
    position: absolute;
    top: 400px;
    z-index: 99;
}
.btn:hover{
    background-color: #868383be;
}
#goPre{
    left: 286px;
}
#goNext{
    right: 100px;
}
.imgindex.active{      
    position: absolute;
    z-index: 12;
    opacity: 1;
}


/* 按钮 */
.pointlist{
    list-style: none;
    padding: 0;
    position: absolute;
    bottom: 91px;
    right: 35px;
    z-index: 1000;
}
.point{
    width: 10px;
    height: 10px;
    background-color: transparent;
    border-radius: 100%;
    border: 1px solid #fff;
    cursor: pointer;
    float: left;
    margin-left:8px; 
}
.point:hover{
    background-color: #fff;
}
.point.active{
    background-color: #fff;
}
